Abstract
We have attempted to examine the effects of radical scavengers, such as amines and phenols, to trap gasphase radicals produced from the combustion of Poly (methyl methacrylate)(PMMA), which might cause damage to a living body, using an electron spin resonance (ESR) spin-trapping technique.As a result, diphenylamine did not decrease the amount of radicals but rather increased it. It indicates that under the conditions of this study, gas-phase radicals were hardly trapped by radical scavengers and that the precursors to produce other kinds of radicals can exist.It was suggested that from the experiments using several peroxides, the precursors should be diacylperoxides produced from the combustion of PMMA.
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